Tag: UPS

Thecus to offer a NAS with integrated uninterruptable power supply


Thecus Adds NAS With UPS Inside | SmallNetBuilder

From the horse’s mouth


Press Release

N5810PRO 5-bay NAS Product Page

My Comments

Thecus N5810PRO Small Business NAS press photo courtesy of ThecusA common issue with running a network-attached storage is making sure that the data is intact even if things go wrong with the AC power. This is something that can easily go wrong in regional and rural areas where there is a combination of overhead power lines and overgrowing trees and it just takes a tree or branch to fall down for the power to go out, or if your premises has ageing electrical infrastructure.

Typically this will involve the use of an uninterruptable power supply which effectively is a battery bank for your computer device, giving it a bit of time to properly shut down if the power fails. These are separate devices that you have to buy and plug your NAS into and most of them have the ability to signal to the NAS to appropriately write back the data and properly shut down when the power is out.

But Thecus has solved this problem with the N5810PRO which is a 5-bay small-business NAS that has an integrated uninterruptable power supply. This battery bank provides enough power to cause the NAS to write back all of data to its five disks and properly shut down, but you don’t have to have a separate device to achieve this.

It also has the other expectations of a small-business desktop NAS such as server functionality for a wide variety of tasks alongside even a server-side implementation of McAfee’s anti-virus software. As well, there are the 5 Ethernet ports which allow for serving 5 different physical networks or providing a “fat-pipe” from a suitably-equipped switch. Oh yeah, it also supports SMB/CIFS, DLNA, iTunes for the file transfer and can run multiple RAID volumes across the five disks.

But could I see the integration of a battery backup / UPS function in a NAS become a product differentiator? This could be more so with “small-business” models and the battery capacity could be a product differentiator in itself especially if the goal is to provide long-run failsafe operation.

APC releases a UPS targeted for your router


This Compact Device Keeps Small Electronics Running On | Gizmodo

From the horse’s mouth


Product Page

My Comments

An uninterruptable power supply that I have previously recommended for use with routers, modems and the like was the APC Back-UPS ES series of UPS devices. This was typically for households who live in areas where the power supply may not be stable and they end up having to reset the equipment at the network’s edge in a certain manner every time the power goes down.

Now APC have issued a new and cheap UPS device specifically targeted at modems, routers, VoIP ATAs and the like in the form of the Back-UPS Connect 70. This 75-watt / 125 VA device is sold for US$50 and has enough power to service laptops or these other devices. You could even think of running more of these devices to allow you to support different loads such as one servicing a router, modem and VoIP ATA and another one servicing one or two consumer-tier NAS units.

At the moment, it is only available as a 120V unit for the North-American market, but personally I would like to see the arrival of a 240V unit targeted at the European market at least. This is more so with the French market where the Freebox and similar “n-boxes” are there to provide telephony and Internet service and are dependent on a reliable mains supply.

ASUS integrates a UPS and external battery pack in one of their desktop tower PCs


ASUS intros the Desktop PC G10, packing a built-in UPS and portable battery (hands-on video) | Engadget


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My Comments

The classic “tower-style” desktop PC could be considered to be losing its market share amongst users other than small businesses and hardcore computer gamers as the laptops and all-in-one desktops gain hold amongst the mainstream PC buyers.

But ASUS have worked on a way to take things further for this class of computer. Typically, a computer like this that is involved in mission-critical work may be hooked up to an external uninterruptable power supply to allow users to properly shut these units down, or to provide continual service when the power goes out. Typically these devices are a loaf-size box that has to reside near the computer and can look very ugly.

Here, ASUS have provided a removable battery pack which doubles as a uninterruptable power supply for the computer or as an external battery pack for a smartphone or tablet. When it is installed in the computer, this pack will charge up and stay charged while the computer is on AC power but will provide half-an-hour’s worth of power to allow you to shut down the computer properly when the AC power is removed. But you can remove the battery pack and use that to run your battery-thirsty smartphone for longer by plugging its USB cable in to one of the USB sockets on the edge of that pack.

This is definitely one way ASUS have thought beyond the norm when it comes to power-supply design and I would like to see this design concept be taken further such as an aftermarket add-on for existing “tower” desktops or with higher-capacity batteries available for this setup.

Keeping sanity in your home network during periods of power unreliability

You may be in an area where the mains power cables are strung between poles and there are many trees alongside the cables, Similarly, your neighbourhood may use very old infrastructure for its mains power supply. As well, your electricity supply utility may be regularly engaging in “load-shedding” practices where it may reduce power to certain customers in order to avoid the need to generate extra power.

Sometimes, the premises that you are in may have very old electrical infrastructure that is undersized for modern needs and you may experience situations where the fuses blow too frequently. You may also have an appliance that is “on its last legs” so much so that it causes the fuses to blow or the circuit breaker or earth-leakage circuit breaker (safety switch) to trip when it is used.

In these situations, there is an increased likelihood of unreliable power and whenever the power comes back on, you may have problems getting your home network and Internet service up and running.

Equipment reset procedures

One task you may have to do every time the power comes back after a power cut or surge would be to reset the network-Internet “edge” equipment. If you have a modem integrated in to your router, like most ADSL setups, you may be able to get away with just powering down the router, waiting 10 seconds, then powering up the router.

On the other hand, if you have a cable modem, FTTH fibre-optic modem, DSL modem (including high-speed VDSL2 modems that are part of some next-generation broadband setups) or similar equipment connected to the broadband router via an Ethernet cable and powered by its own power supply, you may have to use a different procedure when resetting your network.

This is to avoid the common access-mismatch situation when you power both devices up at the same time. In this situation, the router attempts to gain network-availability information from the external modem while the external modem is trying to re-establish its link with the Internet service provider and it may not have that link established by the time the router needs it. This usually leads to the router using a “private network” or “Auto-IP” address as its broadband (WAN) address rather than the proper Internet service IP address.

You then reset your network using this procedure outlined below:

  1. Disconnect both the router and the external modem from the power
  2. Wait 10 seconds
  3. Connect the external modem to the power
  4. Wait for the external modem’s CABLE or other media-specific connection light to become stable
  5. Then wait for the “service” or “Internet” light to glow steady.
  6. Once that has happened, connect the router to the power
  7. Wait for the router’s “Internet”, “Broadband” or “WAN” light to become stable. You should then have a stable connection by then

Some installations such as certain FTTH installations may have a separate modem located outside the house and you may not be able to reset that unit. Here, you may just get away with just resetting your router by powering it down, waiting 10 seconds then powering it up again.

After this, you may have to restart or reset network-attached storage devices and other equipment in order to make sure they know where they are on the network and they make themselves known to the rest of the network. This also means that you may have to either reboot your computers that were on or force them to re-obtain their IP address from the broadband router.

Use of an uninterruptible power supply unit with your network equipment

It may be worth using an uninterruptible power supply with the network-Internet “edge” equipment to keep the equipment working properly in an environment known for an unstable power supply. You may get away with the lower-capacity UPS devices like the APC Back-UPS ES series if you intend to provide this kind of power to the network-Internet “edge” and, perhaps, a VoIP ATA or cordless phone base station. This would be an imperative where the household phone service is provided by a VoIP service like the many “n-boxes” (Livebox, Freebox, etc) in France, or the newly launched iiNet “Bob” base station in Australia.

It is also a good idea to connect a high-capacity UPS to your network-attached storage device if you run one on your network. This unit can make sure that the NAS unit is managed properly through the power outages to avoid data corruption and hard-disk damage. Here, you could perhaps use the same higher-capacity unit also to run the network-Internet “edge” equipment or run this equipment on a separate low-capacity UPS.

You may deploy a UPS for your computer, perhaps to provide a graceful shutdown when the power goes down. Here, you would still need the separate UPS for the network equipmentin order to avoid competition for the reserve power that may be needed for your computer or server to complete a proper shutdown if need be.


When you know how to properly manage your home network when the mains power becomes unstable, you will be able to assure long service life for your equipment and “keep your head on” when these times come around.